test_runner: throw on invalid source map #55055

RedYetiDev · 2024-09-21T21:00:40Z

This PR changes the code coverage test runner to throw ERR_SOURCE_MAP_CORRUPT when a sourcemap is not a valid JSON file, or does not exist.

nodejs-github-bot · 2024-09-21T21:00:45Z

Review requested:

@nodejs/test_runner

codecov · 2024-09-21T22:10:47Z

Codecov Report

Attention: Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.

Project coverage is 88.41%. Comparing base (8de2695) to head (87af23b).
Report is 290 commits behind head on main.

Files with missing lines	Patch %	Lines
lib/internal/test_runner/coverage.js	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #55055      +/-   ##
==========================================
- Coverage   88.41%   88.41%   -0.01%     
==========================================
  Files         652      652              
  Lines      186576   186579       +3     
  Branches    36049    36049              
==========================================
- Hits       164960   164955       -5     
- Misses      14889    14900      +11     
+ Partials     6727     6724       -3

Files with missing lines	Coverage Δ
lib/internal/errors.js	`96.98% <100.00%> (+<0.01%)`	⬆️
lib/internal/test_runner/coverage.js	`64.65% <50.00%> (-0.05%)`	⬇️

... and 35 files with indirect coverage changes

lib/internal/test_runner/coverage.js

RedYetiDev · 2024-09-22T20:57:54Z

~~The first commit is #55037, which will land shortly.~~ This PR adds ERR_SOURCE_MAP_CANNOT_PARSE for when the source map does not exist / is not valid JSON

mcollina

lgtm

cjihrig

Please stop changing unrelated things in PRs. It makes PRs more difficult to review and is more likely to introduce issues. If you feel strongly that the source map fixtures should be renamed, please do that in a separate PR.

cjihrig · 2024-09-24T14:06:21Z

test/parallel/test-runner-coverage-source-map.js

+];
+
+describe('Coverage with source maps', async () => {
+  await it('should work with source maps', async (t) => {


You shouldn't need the awaits on the tests.

test/parallel/test-runner-coverage-source-map.js

cjihrig · 2024-09-24T14:20:19Z

lib/internal/test_runner/coverage.js

@@ -353,6 +354,7 @@ class TestCoverage {
        continue;
      }
      const { data, lineLengths } = sourceMapCache[url];
+      if (!data) throw new ERR_SOURCE_MAP_CANNOT_PARSE(url);


I'm a bit torn on this error for a couple of reasons:

The error says that the source map does not exist or cannot be parsed... but there is still an entry for it in the source map cache.

The fact that this error is about source maps, but it is only thrown from the test runner even though there is other source map functionality in core.

The error says that the source map does not exist or cannot be parsed... but there is still an entry for it in the source map cache.

There is an entry, but it's empty.

Before this change, an error was thrown because the entry was empty, and therefore didn't have any properties. Does that error get thrown anywhere else? If so, I can try and handle them as well

RedYetiDev · 2024-09-24T16:05:21Z

Please stop changing unrelated things in PRs. It makes PRs more difficult to review and is more likely to introduce issues. If you feel strongly that the source map fixtures should be renamed, please do that in a separate PR.

IMO it's related because this adds tests, and moving them into their own file is good for decluttering, but I'll move it feel it's unrelated.

lib/internal/test_runner/coverage.js

nodejs-github-bot · 2024-10-06T18:13:38Z

CI: https://ci.nodejs.org/job/node-test-pull-request/62947/

nodejs-github-bot · 2024-10-06T19:40:38Z

CI: https://ci.nodejs.org/job/node-test-pull-request/62950/

nodejs-github-bot · 2024-10-06T20:27:33Z

Landed in 9a9409f

PR-URL: #55055 Reviewed-By: Matteo Collina <[email protected]> Reviewed-By: Colin Ihrig <[email protected]>

PR-URL: nodejs#55055 Reviewed-By: Matteo Collina <[email protected]> Reviewed-By: Colin Ihrig <[email protected]>

RedYetiDev requested a review from cjihrig September 21, 2024 21:00

nodejs-github-bot added errors Issues and PRs related to JavaScript errors originated in Node.js core. needs-ci PRs that need a full CI run. test_runner Issues and PRs related to the test runner subsystem. labels Sep 21, 2024

RedYetiDev mentioned this pull request Sep 21, 2024

Tracking issue: stabilization of test runner code coverage #53924

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cjihrig reviewed Sep 22, 2024

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RedYetiDev force-pushed the test-runner-throw-invalid-source-map branch from 095e3e3 to a916ce4 Compare September 22, 2024 20:57

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RedYetiDev added commit-queue-rebase Add this label to allow the Commit Queue to land a PR in several commits. coverage Issues and PRs related to native coverage support. source maps Issues and PRs related to source map support. labels Sep 22, 2024

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RedYetiDev force-pushed the test-runner-throw-invalid-source-map branch from a916ce4 to 51f959c Compare September 23, 2024 20:32

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RedYetiDev force-pushed the test-runner-throw-invalid-source-map branch from 7aad9a2 to 1e8287f Compare September 30, 2024 19:10

RedYetiDev added blocked PRs that are blocked by other issues or PRs. and removed commit-queue-rebase Add this label to allow the Commit Queue to land a PR in several commits. labels Sep 30, 2024

test_runner: throw on invalid source map

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RedYetiDev force-pushed the test-runner-throw-invalid-source-map branch from 97d87a6 to 87af23b Compare October 3, 2024 23:21

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nodejs-github-bot merged commit 9a9409f into nodejs:main Oct 6, 2024
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aduh95 pushed a commit that referenced this pull request Oct 9, 2024

test_runner: throw on invalid source map

800f7c4

PR-URL: #55055 Reviewed-By: Matteo Collina <[email protected]> Reviewed-By: Colin Ihrig <[email protected]>

aduh95 mentioned this pull request Oct 9, 2024

V22.10.0 proposal #55343

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louwers pushed a commit to louwers/node that referenced this pull request Nov 2, 2024

test_runner: throw on invalid source map

1b305f5

PR-URL: nodejs#55055 Reviewed-By: Matteo Collina <[email protected]> Reviewed-By: Colin Ihrig <[email protected]>

marco-ippolito added the backport-requested-v20.x PRs awaiting manual backport to the v20.x-staging branch. label Nov 16, 2024

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test_runner: throw on invalid source map #55055

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